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elena55 [62]
3 years ago
8

nine friends vote on their favorite fruit. Only one person in the groupes votes for kiwi. Write the fraction as an equavelent de

cimal is the decimal a rational number explain
Mathematics
1 answer:
MrRissso [65]3 years ago
3 0
1/9 people voted for kiwi. So, 1/9 needs to be transformed into a decimal. 1/9 is equivalent to 0.111... a repeating decimal. Since 0.111.. is not a whole # or an integer, it is a rational number. If you are having trouble understanding rational numbers, check out the following link:
https://www.mathsisfun.com/rational-numbers.html
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What is the trigonometric ratio for sin Z ?
Schach [20]

In all right triangles, the ratio between a leg and the hypothenuse is the sine of the angle opposite to the leg.

So, in your case, we have

\sin(Z) = \dfrac{XY}{XZ}

In order to find XY, we have

XY = \sqrt{XZ^2-YZ^2} = \sqrt{1600-1024}=\sqrt{576} = 24

So, the ratio for the sine is

\sin(Z) = \dfrac{XY}{XZ} = \dfrac{24}{40} = \dfrac{3}{5}

6 0
3 years ago
The data below represents the number of minutes Jake and Sarah spent doing chores
hichkok12 [17]
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The median number of minutes for Jake and Sarah are equal, but the mean numbers are different.

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For this, you never said the choices, but I’ve done this before, so I’m going to use the answer choices I had, and hopefully they are right.

Our choices are -

• The median number of minutes for Jake is higher than the median number of minutes for Sarah.

• The mean number of minutes for Sarah is higher than the mean number of minutes for Jake.

• The mean number of minutes for Jake and Sarah are equal, but the median number of minutes are different.

• The median number of minutes for Jake and Sarah are equal, but the mean number of minutes are different.

————————

So to answer the question, we neee to find the median and mean for each data set, so -

Jack = [90 median] [89.6 mean]
Sarah = [90 median] [89.5 mean]

We can clearly see the median for both is 90, so we can eliminate all the choices that say they are unequal.

We can also see that Jack has a higher mean (89.6) compared to Sarah (89.5).

We can eliminate all the choices that don’t imply that too.

That leaves us with -

• The median number of minutes for Jake and Sarah are equal, but the mean number of minutes are different.
8 0
3 years ago
Convert the number to scientific notation<br><br> 86,002,300 = .... x 10 to what power
olya-2409 [2.1K]

Answer:

8.6002300X10^7

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What is the rule for reflection across the y axis
maw [93]

Answer:

(x, y) ----> (-x, y).

Step-by-step explanation:

(x, y) ----> (-x, y).

The y value stays the same but the x-value changes sign.

3 0
3 years ago
Help........... with this look
julsineya [31]
Hmmmmmm ok i know how to do this
3 0
3 years ago
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